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      1 #!/sbin/sh
      2 #
      3 # CDDL HEADER START
      4 #
      5 # The contents of this file are subject to the terms of the
      6 # Common Development and Distribution License (the "License").
      7 # You may not use this file except in compliance with the License.
      8 #
      9 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10 # or http://www.opensolaris.org/os/licensing.
     11 # See the License for the specific language governing permissions
     12 # and limitations under the License.
     13 #
     14 # When distributing Covered Code, include this CDDL HEADER in each
     15 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16 # If applicable, add the following below this CDDL HEADER, with the
     17 # fields enclosed by brackets "[]" replaced with your own identifying
     18 # information: Portions Copyright [yyyy] [name of copyright owner]
     19 #
     20 # CDDL HEADER END
     21 #
     22 #
     23 # Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T.
     24 # All rights reserved.
     25 #
     26 #
     27 # Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
     28 # Use is subject to license terms.
     29 #
     30 # ident	"%Z%%M%	%I%	%E% SMI"
     31 
     32 . /lib/svc/share/smf_include.sh
     33 . /lib/svc/share/net_include.sh
     34 
     35 # Make sure that the libraries essential to this stage of booting can be found.
     36 LD_LIBRARY_PATH=/lib; export LD_LIBRARY_PATH
     37 
     38 #
     39 # If DHCP was used on a primary interface then set the hostname
     40 # that was returned. If no hostname was returned, set the name
     41 # to be "unknown". The hostname must be set to something, because
     42 # tooltalk will hang unless the name can be locally resolved.
     43 # Sendmail also requires the name to be resolvable locally.
     44 # Later, in inetsvc, we create a name "unknown" and create a entry
     45 # in the local /etc/inet/hosts file pairing "unknown" with the IP
     46 # address assigned by DHCP.  The use of bootparams as a fallback
     47 # for all non-DHCP cases provides compatibility with the
     48 # behavior of the system before netstrategy was introduced.
     49 #
     50 # For non-global zones, fall back to the `uname -n` value provided by the
     51 # kernel if /etc/nodename does not exist, as is expected on an initial boot.
     52 #
     53 
     54 smf_netstrategy
     55 
     56 case "$_INIT_NET_STRATEGY" in
     57 	"dhcp") hostname=`/sbin/dhcpinfo Hostname` ;;
     58 	"rarp") hostname=`/sbin/hostconfig -h -p bootparams`
     59 		trap 'intr=1' 2 3
     60 		while [ -z "$hostname" -a ! -f /etc/.UNCONFIGURED -a \
     61 		    -z "$intr" ]; do
     62 			echo "re-trying host configuration..."
     63 			# Restrict this to IPv4 interfaces.
     64 			/sbin/ifconfig -adD4 auto-revarp up
     65 			hostname=`/sbin/hostconfig -h -p bootparams`
     66 		done
     67 		trap 2 3 ;;
     68 	"none") hostname="`shcat /etc/nodename 2>/dev/null`"
     69        		if [ -z "$hostname" ]; then
     70 			if smf_is_globalzone; then
     71 				hostname=`/sbin/hostconfig -h -p bootparams`
     72 			else
     73 				hostname=`/sbin/uname -n`
     74 			fi
     75 		fi ;;
     76 esac
     77 
     78 #
     79 # If the netstrategy was unsuccessful and we haven't got a locally configured
     80 # name, default to "unknown"
     81 #
     82 if [ -z "$hostname" ]; then
     83 	hostname="`shcat /etc/nodename 2>/dev/null`"
     84 	if [ -z "$hostname" ]; then
     85 		hostname="unknown"
     86 	fi
     87 fi
     88 
     89 /sbin/uname -S $hostname
     90 
     91 echo "Hostname: `/sbin/uname -n`" > /dev/msglog
     92 
     93 # Reset the library path now that we are past the critical stage
     94 unset LD_LIBRARY_PATH
     95 
     96 exit $SMF_EXIT_OK
     97